//单链表

class hero{

var $name;

var $sn;

var $names;

var $next;

public function __construct($sn='',$name='',$names='',$next=''){

$this->name=$name;

$this->sn=$sn;

$this->names=$names;

$this->next=$next;

}

}

//头结点

$head=new hero();

//增加链表节点

function addHero($head,$hero){

$cul=$head;

while($cul->next!=null){

if($cul->next->sn>$hero->sn){

$hero->next=$cul->next;

$cul->next=$hero;

$flag='';

break;

}

$cul=$cul->next;

}

if(!isset($flag))

$cul->next=$hero;

}

//遍历链表

function showHero($head){

$cul=$head;

while($cul->next!=null){

echo $cul->next->sn.'　'.$cul->next->name.'　'.$cul->next->names.'
';

$cul=$cul->next;

}

//echo 'a'.$head->name.'
';

}

//删除链表节点

function delHero($head,$sn){

$cul=$head;

while($cul->next!=null){

if($cul->next->sn==$sn){

$cul->next=$cul->next->next;

$flag='';

break;

}

$cul=$cul->next;

}

if(!isset($flag))echo $sn.'的英雄没找到
';

}

//修改节点

function editHero($head,$hero){

$cul=$head;

while($cul->next!=null){

if($hero->sn==$cul->next->sn){

$hero->next=$cul->next->next;

$cul->next=$hero;

$flag='';

break;

}

$cul=$cul->next;

}

if(!isset($flag))echo $hero->sn.'的英雄没找到
';

}

//测试

//增加节点

$hero=new hero(1,'小宝','小宝宝');

addHero($head,$hero);

$hero=new hero(2,'小贝','小贝贝');

addHero($head,$hero);

$hero=new hero(3,'小白','小白白');

addHero($head,$hero);

$hero=new hero('6','香兰','向兰兰');

addHero($head,$hero);

$hero=new hero('4','李峰','李峰分');

addHero($head,$hero);

$hero=new hero('5','刘雪','刘雪雪');

addHero($head,$hero);

$hero=new hero('7','寒梅','韩梅梅');

addHero($head,$hero);

//遍历节点

showHero($head);

//删除节点

echo '
删除后

---

';

delHero($head,2);

showHero($head);

//修改节点

echo '
修改后

---

';

$hero=new hero('4','赵峰','赵凤凤');

editHero($head,$hero);

showHero($head);

?>